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##############################################################################
# Copyright (c) 2017 ZTE Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from oslo_config import cfg
from identity_auth import get_identity_auth
from identity_auth import get_session
from os_clients import aodh_client
from os_clients import nova_client
OPTS = [
cfg.StrOpt('alarm_basename',
default='doctor_alarm',
help='the base name of alarm',
required=True),
]
class Alarm(object):
def __init__(self, conf, log):
self.conf = conf
self.log = log
self.auth = get_identity_auth(project=self.conf.doctor_project)
self.aodh = \
aodh_client(conf.aodh_version,
get_session(auth=self.auth))
self.nova = \
nova_client(conf.nova_version,
get_session(auth=self.auth))
self._init_alarm_name()
def _init_alarm_name(self):
self.alarm_names = []
for i in range(0, self.conf.instance_count):
alarm_name = '%s%d' % (self.conf.alarm_basename, i)
self.alarm_names.append(alarm_name)
def create(self):
self.log.info('alarm create start......')
alarms = {alarm['name']: alarm for alarm in self.aodh.alarm.list()}
servers = \
{getattr(server, 'name'): server
for server in self.nova.servers.list()}
for i in range(0, self.conf.instance_count):
alarm_name = self.alarm_names[i]
if alarm_name in alarms:
continue;
vm_name = '%s%d' % (self.conf.instance_basename, i)
vm_id = getattr(servers[vm_name], 'id')
alarm_request = dict(
name=alarm_name,
description=u'VM failure',
enabled=True,
alarm_actions=[u'http://%s:%d/failure'
% (self.conf.consumer.ip,
self.conf.consumer.port)],
repeat_actions=False,
severity=u'moderate',
type=u'event',
event_rule=dict(
event_type=u'compute.instance.update',
query=[
dict(field=u'traits.instance_id',
type='',
op=u'eq',
value=vm_id),
dict(field=u'traits.state',
type='',
op=u'eq',
value=u'error')]))
self.aodh.alarm.create(alarm_request)
self.log.info('alarm create end......')
def delete(self):
self.log.info('alarm delete start.......')
alarms = {alarm['name']: alarm for alarm in self.aodh.alarm.list()}
for alarm_name in self.alarm_names:
if alarm_name in alarms:
self.aodh.alarm.delete(alarms[alarm_name]['alarm_id'])
del self.alarm_names[:]
self.log.info('alarm delete end.......')
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